The drawing shows four different situations in which a light ray is traveling fr

Question

The drawing shows four different situations in which a light ray is traveling from one medium into another. In some of the cases, the refraction is not shown correctly. For cases (a), (b), and (c), the angle of incidence is 51

The drawing shows four different situations in which a light ray is traveling from one medium into another. In some of the cases, the refraction is not shown correctly. For cases (a), (b), and (c), the angle of incidence is 51 degree for case (d), the angle of incidence is 0 degree.

Explanation / Answer

n1*sin i = n2*sinr

r = sin^-1((n1*sini)/n2)

a) 42.84

b) 46.76

c) 62.64

d) 0

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